{
  "id": "CVE-2023-20040",
  "sourceIdentifier": "ykramarz@cisco.com",
  "published": "2023-01-20T07:15:15.793",
  "lastModified": "2023-11-07T04:05:50.147",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability in the NETCONF service of Cisco Network Services Orchestrator (NSO) could allow an authenticated, remote attacker to cause a denial of service (DoS) on an affected system that is running as the root user. To exploit this vulnerability, the attacker must be a member of the admin group.\r\n\r This vulnerability exists because user-supplied input is not properly validated when NETCONF is used to upload packages to an affected device. An attacker could exploit this vulnerability by uploading a specially crafted package file. A successful exploit could allow the attacker to write crafted files to arbitrary locations on the filesystem or delete arbitrary files from the filesystem of an affected device, resulting in a DoS condition. \r\n\r Note: By default, during install, Cisco NSO will be set up to run as the root user unless the --run-as-user option is used."
    }
  ],
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          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
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        "impactScore": 4.2
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          "userInteraction": "NONE",
          "scope": "UNCHANGED",
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      "type": "Primary",
      "description": [
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          "value": "CWE-434"
        }
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  "references": [
    {
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nso-path-trvsl-zjBeMkZg",
      "source": "ykramarz@cisco.com",
      "tags": [
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}